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    <title>日语第三课复习</title>
    <style>
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        body {
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        h1, h2, h3 {
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            margin-bottom: 15px;
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        h1 {
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        h2 {
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        .example {
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        .word-info {
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        .romaji {
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            font-size: 0.9em;
            margin: 4px 0;
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            margin-top: 15px;
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        .number-card {
            padding: 10px;
            text-align: center;
            border: 1px solid #ddd;
            border-radius: 5px;
            background-color: white;
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        .note {
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            font-style: italic;
            font-size: 0.9em;
            margin: 5px 0;
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            font-size: 1.1em;
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        .answer {
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            font-weight: bold;
            margin: 8px 0;
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        .japanese-number {
            font-size: 1.2em;
            margin: 5px 0;
            font-weight: bold;
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        .usage strong, .note strong {
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        .vocabulary-summary {
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            .vocab-table {
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    </style>
</head>
<body>
    <h1>日语第三课复习</h1>
    
    <div class="section">
        <h2>文型1: ここはxxです。</h2>
        <p>表示位置的词语：</p>
        
        <div class="word-card">
            <div class="word-info">
                <strong>ここ / こちら</strong> - 这里<br>
                <span class="romaji">koko / kochira</span>
                <div class="note">こちら更礼貌，用于正式场合</div>
            </div>
            <button class="pronunciation" onclick="speak('こちら')">发音</button>
        </div>
        
        <div class="example">
            <p>ここは東京駅です。(这里是东京站)</p>
            <p class="romaji">Koko wa Tōkyō-eki desu</p>
            <div class="usage">
                <strong>使用场景：</strong>向他人说明当前位置<br>
                <strong>注意：</strong>ここ用于指代说话人所在位置
            </div>
            <button class="pronunciation" onclick="speak('ここは東京駅です')">发音</button>
        </div>
        
        <div class="word-card">
            <div class="word-info">
                <strong>そこ / そちら</strong> - 你那里<br>
                <span class="romaji">soko / sochira</span>
                <div class="note">そちら可用于指方向或事物</div>
            </div>
            <button class="pronunciation" onclick="speak('そちら')">发音</button>
        </div>
        
        <div class="example">
            <p>そこのレストランは美味しいです。(那里的餐厅很好吃)</p>
            <p class="romaji">Soko no resutoran wa oishii desu</p>
            <div class="usage">
                <strong>使用场景：</strong>谈论对方附近的事物<br>
                <strong>注意：</strong>そこ+の可以修饰名词
            </div>
            <button class="pronunciation" onclick="speak('そこのレストランは美味しいです')">发音</button>
        </div>
        
        <div class="word-card">
            <div class="word-info">
                <strong>あそこ / あちら</strong> - 远方的那里<br>
                <span class="romaji">asoko / achira</span>
                <div class="note">指双方都能看到的远处</div>
            </div>
            <button class="pronunciation" onclick="speak('あちら')">发音</button>
        </div>
        
        <div class="example">
            <p>あそこに高いビルが見えますか？(你能看到那边的高楼吗？)</p>
            <p class="romaji">Asoko ni takai biru ga miemasu ka?</p>
            <div class="usage">
                <strong>使用场景：</strong>确认双方都能看到的远处物体<br>
                <strong>注意：</strong>あそこ通常配合手势使用
            </div>
            <button class="pronunciation" onclick="speak('あそこに高いビルが見えますか')">发音</button>
        </div>
        
        <div class="word-card">
            <div class="word-info">
                <strong>どこ / どちら</strong> - 哪里?<br>
                <span class="romaji">doko / dochira</span>
                <div class="note">どちら更正式，也可问方向</div>
            </div>
            <button class="pronunciation" onclick="speak('どちら')">发音</button>
        </div>
        
        <div class="example">
            <p>すみません、郵便局はどちらですか？(请问邮局在哪里？)</p>
            <p class="romaji">Sumimasen, yūbinkyoku wa dochira desu ka?</p>
            <div class="usage">
                <strong>使用场景：</strong>礼貌询问地点<br>
                <strong>注意：</strong>问路时常用どちら，开头要加"すみません"
            </div>
            <button class="pronunciation" onclick="speak('すみません、郵便局はどちらですか')">发音</button>
        </div>
    </div>
    
    <div class="section">
        <h2>文型2: エレベーターはあそこです。</h2>
        <p>「です」表示"在"的意思。</p>
        
        <div class="example">
            <p>受付はこちらです。(接待处在这里)</p>
            <p class="romaji">Uketsuke wa kochira desu</p>
            <div class="usage">
                <strong>使用场景：</strong>办公室或公共场所指引<br>
                <strong>注意：</strong>こちら比ここ更正式
            </div>
            <button class="pronunciation" onclick="speak('受付はこちらです')">发音</button>
        </div>
        
        <div class="example">
            <p>お手洗いはあちらの角を曲がったところです。(洗手间在那边拐角处)</p>
            <p class="romaji">Otearai wa achira no kado o magatta tokoro desu</p>
            <div class="usage">
                <strong>使用场景：</strong>详细说明位置<br>
                <strong>注意：</strong>お手洗い比トイレ更礼貌
            </div>
            <button class="pronunciation" onclick="speak('お手洗いはあちらの角を曲가ったところです')">发音</button>
        </div>
    </div>
    
    <div class="section">
        <h2>补充句型</h2>
        
        <div class="example">
            <p>これは日本のです。(这是日本的)</p>
            <p class="romaji">Kore wa Nihon no desu</p>
            <div class="usage">
                <strong>使用场景：</strong>说明物品的产地或归属<br>
                <strong>注意：</strong>の后面省略了具体物品名
            </div>
            <button class="pronunciation" onclick="speak('これは日本のです')">发音</button>
        </div>
        
        <div class="example">
            <p>このカメラはどこの製品ですか？(这个相机是哪里产的？)</p>
            <p class="romaji">Kono kamera wa doko no seihin desu ka?</p>
            <div class="usage">
                <strong>使用场景：</strong>询问电子产品产地<br>
                <strong>注意：</strong>の后面接具体物品类别
            </div>
            <button class="pronunciation" onclick="speak('このカメラはどこの製品ですか')">发音</button>
        </div>
        
        <div class="example">
            <p>これはフランスのワインですか？(这是法国的葡萄酒吗？)</p>
            <p class="romaji">Kore wa Furansu no wain desu ka?</p>
            <div class="usage">
                <strong>使用场景：</strong>确认酒类产地<br>
                <strong>注意：</strong>国家名+の+物品
            </div>
            <button class="pronunciation" onclick="speak('これはフランスのワインですか')">发音</button>
        </div>
        
        <div class="example">
            <p>このかばんはグッチのですか？(这个包是古驰的吗？)</p>
            <p class="romaji">Kono kaban wa Gutchi no desu ka?</p>
            <div class="usage">
                <strong>使用场景：</strong>确认品牌<br>
                <strong>注意：</strong>品牌名直接加の
            </div>
            <button class="pronunciation" onclick="speak('このかばんはグッチのですか')">发音</button>
        </div>
        
        <div class="example">
            <p>このネクタイは三千五百円です。(这条领带3500日元)</p>
            <p class="japanese-number">三千五百円</p>
            <p class="romaji">Kono nekutai wa sanzen gohyaku-en desu</p>
            <div class="usage">
                <strong>使用场景：</strong>说明商品价格<br>
                <strong>注意：</strong>日元没有小数，直接说数字+円
            </div>
            <button class="pronunciation" onclick="speak('このネクタイは三千五百円です')">发音</button>
        </div>
        
        <div class="example">
            <p>この靴はいくらですか？(这双鞋多少钱？)</p>
            <p class="romaji">Kono kutsu wa ikura desu ka?</p>
            <div class="usage">
                <strong>使用场景：</strong>询问价格<br>
                <strong>注意：</strong>いくら是万能问价表达
            </div>
            <button class="pronunciation" onclick="speak('この靴はいくらですか')">发音</button>
        </div>
    </div>
    
    <div class="section">
        <h2>数字表达</h2>
        
        <h3>万位 (10,000-90,000)</h3>
        <div class="number-grid">
            <div class="number-card">
                <div>一万</div>
                <div class="japanese-number">いちまん</div>
                <div class="romaji">ichi-man</div>
                <button class="pronunciation" onclick="speak('いちまん')">发音</button>
            </div>
            <div class="number-card">
                <div>二万</div>
                <div class="japanese-number">にまん</div>
                <div class="romaji">ni-man</div>
                <button class="pronunciation" onclick="speak('にまん')">发音</button>
            </div>
            <div class="number-card">
                <div>三万</div>
                <div class="japanese-number">さんまん</div>
                <div class="romaji">san-man</div>
                <button class="pronunciation" onclick="speak('さんまん')">发音</button>
            </div>
            <div class="number-card">
                <div>四万</div>
                <div class="japanese-number">よんまん</div>
                <div class="romaji">yon-man</div>
                <button class="pronunciation" onclick="speak('よんまん')">发音</button>
            </div>
            <div class="number-card">
                <div>五万</div>
                <div class="japanese-number">ごまん</div>
                <div class="romaji">go-man</div>
                <button class="pronunciation" onclick="speak('ごまん')">发音</button>
            </div>
            <div class="number-card">
                <div>六万</div>
                <div class="japanese-number">ろくまん</div>
                <div class="romaji">roku-man</div>
                <button class="pronunciation" onclick="speak('ろくまん')">发音</button>
            </div>
            <div class="number-card">
                <div>七万</div>
                <div class="japanese-number">ななまん</div>
                <div class="romaji">nana-man</div>
                <button class="pronunciation" onclick="speak('ななまん')">发音</button>
            </div>
            <div class="number-card">
                <div>八万</div>
                <div class="japanese-number">はちまん</div>
                <div class="romaji">hachi-man</div>
                <button class="pronunciation" onclick="speak('はちまん')">发音</button>
            </div>
            <div class="number-card">
                <div>九万</div>
                <div class="japanese-number">きゅうまん</div>
                <div class="romaji">kyū-man</div>
                <button class="pronunciation" onclick="speak('きゅうまん')">发音</button>
            </div>
        </div>
        
        <h3>千位 (1,000-9,000)</h3>
        <div class="number-grid">
            <div class="number-card">
                <div>一千</div>
                <div class="japanese-number">いっせん</div>
                <div class="romaji">issen</div>
                <button class="pronunciation" onclick="speak('いっせん')">发音</button>
            </div>
            <div class="number-card">
                <div>二千</div>
                <div class="japanese-number">にせん</div>
                <div class="romaji">ni-sen</div>
                <button class="pronunciation" onclick="speak('にせん')">发音</button>
            </div>
            <div class="number-card">
                <div>三千</div>
                <div class="japanese-number">さんぜん</div>
                <div class="romaji">san-zen</div>
                <button class="pronunciation" onclick="speak('さんぜん')">发音</button>
            </div>
            <div class="number-card">
                <div>四千</div>
                <div class="japanese-number">よんせん</div>
                <div class="romaji">yon-sen</div>
                <button class="pronunciation" onclick="speak('よんせん')">发音</button>
            </div>
            <div class="number-card">
                <div>五千</div>
                <div class="japanese-number">ごせん</div>
                <div class="romaji">go-sen</div>
                <button class="pronunciation" onclick="speak('ごせん')">发音</button>
            </div>
            <div class="number-card">
                <div>六千</div>
                <div class="japanese-number">ろくせん</div>
                <div class="romaji">roku-sen</div>
                <button class="pronunciation" onclick="speak('ろくせん')">发音</button>
            </div>
            <div class="number-card">
                <div>七千</div>
                <div class="japanese-number">ななせん</div>
                <div class="romaji">nana-sen</div>
                <button class="pronunciation" onclick="speak('ななせん')">发音</button>
            </div>
            <div class="number-card">
                <div>八千</div>
                <div class="japanese-number">はっせん</div>
                <div class="romaji">hassen</div>
                <button class="pronunciation" onclick="speak('はっせん')">发音</button>
            </div>
            <div class="number-card">
                <div>九千</div>
                <div class="japanese-number">きゅうせん</div>
                <div class="romaji">kyū-sen</div>
                <button class="pronunciation" onclick="speak('きゅうせん')">发音</button>
            </div>
        </div>
        
        <h3>百位 (100-900)</h3>
        <div class="number-grid">
            <div class="number-card">
                <div>一百</div>
                <div class="japanese-number">ひゃく</div>
                <div class="romaji">hyaku</div>
                <button class="pronunciation" onclick="speak('ひゃく')">发音</button>
            </div>
            <div class="number-card">
                <div>二百</div>
                <div class="japanese-number">にひゃく</div>
                <div class="romaji">ni-hyaku</div>
                <button class="pronunciation" onclick="speak('にひゃく')">发音</button>
            </div>
            <div class="number-card">
                <div>三百</div>
                <div class="japanese-number">さんびゃく</div>
                <div class="romaji">san-byaku</div>
                <button class="pronunciation" onclick="speak('さんびゃく')">发音</button>
            </div>
            <div class="number-card">
                <div>四百</div>
                <div class="japanese-number">よんひゃく</div>
                <div class="romaji">yon-hyaku</div>
                <button class="pronunciation" onclick="speak('よんひゃく')">发音</button>
            </div>
            <div class="number-card">
                <div>五百</div>
                <div class="japanese-number">ごひゃく</div>
                <div class="romaji">go-hyaku</div>
                <button class="pronunciation" onclick="speak('ごひゃく')">发音</button>
            </div>
            <div class="number-card">
                <div>六百</div>
                <div class="japanese-number">ろっぴゃく</div>
                <div class="romaji">roppyaku</div>
                <button class="pronunciation" onclick="speak('ろっぴゃく')">发音</button>
            </div>
            <div class="number-card">
                <div>七百</div>
                <div class="japanese-number">ななひゃく</div>
                <div class="romaji">nana-hyaku</div>
                <button class="pronunciation" onclick="speak('ななひゃく')">发音</button>
            </div>
            <div class="number-card">
                <div>八百</div>
                <div class="japanese-number">はっぴゃく</div>
                <div class="romaji">happyaku</div>
                <button class="pronunciation" onclick="speak('はっぴゃく')">发音</button>
            </div>
            <div class="number-card">
                <div>九百</div>
                <div class="japanese-number">きゅうひゃく</div>
                <div class="romaji">kyū-hyaku</div>
                <button class="pronunciation" onclick="speak('きゅうひゃく')">发音</button>
            </div>
        </div>
        
        <h3>十位 (10-90)</h3>
        <div class="number-grid">
            <div class="number-card">
                <div>十</div>
                <div class="japanese-number">じゅう</div>
                <div class="romaji">jū</div>
                <button class="pronunciation" onclick="speak('じゅう')">发音</button>
            </div>
            <div class="number-card">
                <div>二十</div>
                <div class="japanese-number">にじゅう</div>
                <div class="romaji">ni-jū</div>
                <button class="pronunciation" onclick="speak('にじゅう')">发音</button>
            </div>
            <div class="number-card">
                <div>三十</div>
                <div class="japanese-number">さんじゅう</div>
                <div class="romaji">san-jū</div>
                <button class="pronunciation" onclick="speak('さんじゅう')">发音</button>
            </div>
            <div class="number-card">
                <div>四十</div>
                <div class="japanese-number">よんじゅう</div>
                <div class="romaji">yon-jū</div>
                <button class="pronunciation" onclick="speak('よんじゅう')">发音</button>
            </div>
            <div class="number-card">
                <div>五十</div>
                <div class="japanese-number">ごじゅう</div>
                <div class="romaji">go-jū</div>
                <button class="pronunciation" onclick="speak('ごじゅう')">发音</button>
            </div>
            <div class="number-card">
                <div>六十</div>
                <div class="japanese-number">ろくじゅう</div>
                <div class="romaji">roku-jū</div>
                <button class="pronunciation" onclick="speak('ろくじゅう')">发音</button>
            </div>
            <div class="number-card">
                <div>七十</div>
                <div class="japanese-number">ななじゅう</div>
                <div class="romaji">nana-jū</div>
                <button class="pronunciation" onclick="speak('ななじゅう')">发音</button>
            </div>
            <div class="number-card">
                <div>八十</div>
                <div class="japanese-number">はちじゅう</div>
                <div class="romaji">hachi-jū</div>
                <button class="pronunciation" onclick="speak('はちじゅう')">发音</button>
            </div>
            <div class="number-card">
                <div>九十</div>
                <div class="japanese-number">きゅうじゅう</div>
                <div class="romaji">kyū-jū</div>
                <button class="pronunciation" onclick="speak('きゅうじゅう')">发音</button>
            </div>
        </div>
        
        <h3>个位 (1-9)</h3>
        <div class="number-grid">
            <div class="number-card">
                <div>一</div>
                <div class="japanese-number">いち</div>
                <div class="romaji">ichi</div>
                <button class="pronunciation" onclick="speak('いち')">发音</button>
            </div>
            <div class="number-card">
                <div>二</div>
                <div class="japanese-number">に</div>
                <div class="romaji">ni</div>
                <button class="pronunciation" onclick="speak('に')">发音</button>
            </div>
            <div class="number-card">
                <div>三</div>
                <div class="japanese-number">さん</div>
                <div class="romaji">san</div>
                <button class="pronunciation" onclick="speak('さん')">发音</button>
            </div>
            <div class="number-card">
                <div>四</div>
                <div class="japanese-number">よん/し</div>
                <div class="romaji">yon/shi</div>
                <button class="pronunciation" onclick="speak('よん')">发音</button>
            </div>
            <div class="number-card">
                <div>五</div>
                <div class="japanese-number">ご</div>
                <div class="romaji">go</div>
                <button class="pronunciation" onclick="speak('ご')">发音</button>
            </div>
            <div class="number-card">
                <div>六</div>
                <div class="japanese-number">ろく</div>
                <div class="romaji">roku</div>
                <button class="pronunciation" onclick="speak('ろく')">发音</button>
            </div>
            <div class="number-card">
                <div>七</div>
                <div class="japanese-number">なな/しち</div>
                <div class="romaji">nana/shichi</div>
                <button class="pronunciation" onclick="speak('なな')">发音</button>
            </div>
            <div class="number-card">
                <div>八</div>
                <div class="japanese-number">はち</div>
                <div class="romaji">hachi</div>
                <button class="pronunciation" onclick="speak('はち')">发音</button>
            </div>
            <div class="number-card">
                <div>九</div>
                <div class="japanese-number">きゅう/く</div>
                <div class="romaji">kyū/ku</div>
                <button class="pronunciation" onclick="speak('きゅう')">发音</button>
            </div>
        </div>
        
        <div class="note">
            <strong>数字读法注意：</strong><br>
            1. 三百(sanbyaku)、六百(roppyaku)、八百(happyaku)有音变<br>
            2. 四有"yon"和"shi"两种读法，日常多用"yon"<br>
            3. 七有"nana"和"shichi"两种读法，时间多用"shichi"<br>
            4. 千位数的"三千"读作"sanzen"而非"sansen"<br>
            5. 数字4和9在日语中有时被认为不吉利，因为4(し)与"死"同音，9(く)与"苦"同音
        </div>
    </div>
    
    <div class="section">
        <h2>练习题</h2>
        
        <div class="exercise">
            <div class="question">1. 请翻译：这个包是意大利的吗？</div>
            <div class="answer">答え: このかばんはイタリアのですか？ (Kono kaban wa Itaria no desu ka?)</div>
            <button class="pronunciation" onclick="speak('このかばんはイタリアのですか')">发音</button>
        </div>
        
        <div class="exercise">
            <div class="question">2. 请用日语写出"7500日元"</div>
            <div class="answer">答え: 七千五百円 (ななせんごひゃくえん, nanasen gohyaku-en)</div>
            <button class="pronunciation" onclick="speak('七千五百円')">发音</button>
        </div>
        
        <div class="exercise">
            <div class="question">3. 请用礼貌的方式问"洗手间在哪里？"</div>
            <div class="answer">答え: お手洗いはどちらですか？ (Otearai wa dochira desu ka?)</div>
            <button class="pronunciation" onclick="speak('お手洗いはどちらですか')">发音</button>
        </div>
        
        <div class="exercise">
            <div class="question">4. 请翻译：那台相机是索尼的。</div>
            <div class="answer">答え: そのカメラはソニーのです。 (Sono kamera wa Sonī no desu.)</div>
            <button class="pronunciation" onclick="speak('そのカメラはソニーのです')">发音</button>
        </div>
        
        <div class="exercise">
            <div class="question">5. 请用日语写出"42000日元"</div>
            <div class="answer">答え: 四万二千円 (よんまんにせんえん, yonman nisen-en)</div>
            <button class="pronunciation" onclick="speak('四万二千円')">发音</button>
        </div>
    </div>
    
    <div class="vocabulary-summary">
        <h2 class="summary-title">词汇总表</h2>
        <table class="vocab-table">
            <thead>
                <tr>
                    <th>日语</th>
                    <th>发音</th>
                    <th>罗马音</th>
                    <th>中文意思</th>
                    <th>发音</th>
                </tr>
            </thead>
            <tbody>
                <tr>
                    <td>ここ</td>
                    <td>ここ</td>
                    <td>koko</td>
                    <td>这里</td>
                    <td><button class="pronunciation" onclick="speak('ここ')">发音</button></td>
                </tr>
                <tr>
                    <td>こちら</td>
                    <td>こちら</td>
                    <td>kochira</td>
                    <td>这里(礼貌)</td>
                    <td><button class="pronunciation" onclick="speak('こちら')">发音</button></td>
                </tr>
                <tr>
                    <td>そこ</td>
                    <td>そこ</td>
                    <td>soko</td>
                    <td>你那里</td>
                    <td><button class="pronunciation" onclick="speak('そこ')">发音</button></td>
                </tr>
                <tr>
                    <td>そちら</td>
                    <td>そちら</td>
                    <td>sochira</td>
                    <td>你那里(礼貌)</td>
                    <td><button class="pronunciation" onclick="speak('そちら')">发音</button></td>
                </tr>
                <tr>
                    <td>あそこ</td>
                    <td>あそこ</td>
                    <td>asoko</td>
                    <td>远方的那里</td>
                    <td><button class="pronunciation" onclick="speak('あそこ')">发音</button></td>
                </tr>
                <tr>
                    <td>あちら</td>
                    <td>あちら</td>
                    <td>achira</td>
                    <td>远方的那里(礼貌)</td>
                    <td><button class="pronunciation" onclick="speak('あちら')">发音</button></td>
                </tr>
                <tr>
                    <td>どこ</td>
                    <td>どこ</td>
                    <td>doko</td>
                    <td>哪里</td>
                    <td><button class="pronunciation" onclick="speak('どこ')">发音</button></td>
                </tr>
                <tr>
                    <td>どちら</td>
                    <td>どちら</td>
                    <td>dochira</td>
                    <td>哪里(礼貌)</td>
                    <td><button class="pronunciation" onclick="speak('どちら')">发音</button></td>
                </tr>
                <tr>
                    <td>いくら</td>
                    <td>いくら</td>
                    <td>ikura</td>
                    <td>多少钱</td>
                    <td><button class="pronunciation" onclick="speak('いくら')">发音</button></td>
                </tr>
                <tr>
                    <td>円</td>
                    <td>えん</td>
                    <td>en</td>
                    <td>日元</td>
                    <td><button class="pronunciation" onclick="speak('えん')">发音</button></td>
                </tr>
                <tr>
                    <td>ワイン</td>
                    <td>ワイン</td>
                    <td>wain</td>
                    <td>葡萄酒</td>
                    <td><button class="pronunciation" onclick="speak('ワイン')">发音</button></td>
                </tr>
                <tr>
                    <td>かばん</td>
                    <td>かばん</td>
                    <td>kaban</td>
                    <td>包</td>
                    <td><button class="pronunciation" onclick="speak('かばん')">发音</button></td>
                </tr>
                <tr>
                    <td>ネクタイ</td>
                    <td>ネクタイ</td>
                    <td>nekutai</td>
                    <td>领带</td>
                    <td><button class="pronunciation" onclick="speak('ネクタイ')">发音</button></td>
                </tr>
                <tr>
                    <td>エレベーター</td>
                    <td>エレベーター</td>
                    <td>erebētā</td>
                    <td>电梯</td>
                    <td><button class="pronunciation" onclick="speak('エレベーター')">发音</button></td>
                </tr>
                <tr>
                    <td>お手洗い</td>
                    <td>おてあらい</td>
                    <td>otearai</td>
                    <td>洗手间</td>
                    <td><button class="pronunciation" onclick="speak('おてあらい')">发音</button></td>
                </tr>
                <tr>
                    <td>郵便局</td>
                    <td>ゆうびんきょく</td>
                    <td>yūbinkyoku</td>
                    <td>邮局</td>
                    <td><button class="pronunciation" onclick="speak('ゆうびんきょく')">发音</button></td>
                </tr>
            </tbody>
        </table>
    </div>
    
    <script>
        function speak(text) {
            if ('speechSynthesis' in window) {
                const utterance = new SpeechSynthesisUtterance();
                utterance.text = text;
                utterance.lang = 'ja-JP';
                utterance.rate = 0.8;
                window.speechSynthesis.speak(utterance);
            } else {
                alert('您的浏览器不支持语音合成功能，请使用Chrome或Edge浏览器。');
            }
        }

        function ceshi(){
           // 练习
         // いち　に　さん　よ　ご　ろく　なな　はち　きゅう
        //  じゅう　にじゅう　さんじゅう　よんじゅう　ごじゅう　ろくじゅう　ななじゅう　はちじゅう　きゅうじゅう
       
        }
       
    </script>
</body>
</html>
